how to repair welding machine power supply/repair in a second/not working power supply 

how to repair welding machine power supply/welding machine not working
in this video I show you how to repair welding machine main power supply not working.
if your's welding machine off after some time then what you do.firs you check your 24volt supply are coming on power supply relay jeck.
if 24volt DC are coming but relay not work then check your components witch used in circuit.
parts details
diode 4148
150kohm resistance
in4007 diode
PC 817 autocuppler
8050 non transistor
if you haven't these components then you jumperd relay. inshaallah your problem will be solved in a second. thanks